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D region Definition

D region

noun

the lowest atmospheric zone within the ionosphere, at an altitude of c. 55 to 90 km (c. 34 to 56 mi), containing the D layer

Browse dictionary entries near D region

  1. ‹ d-
  2. ‹ D'Oyly Carte
  3. ‹ D-mark
  4. ‹ D layer
  5. ‹ d'Indy
  6. ‹ d'Iberville
  7. ‹ Díaz del Castillo, Bernal
  8. ‹ Díaz
  9. ‹ D-horizon
  10. ‹ développé
  1. D-ring ›
  2. -'d ›
  3. d.t.'s ›
  4. D-to-A ›
  5. Dürer ›
  6. Dürrenmatt ›
  7. Düsseldorf ›
  8. D1 ›
  9. D2 ›
  10. D3 ›